Chapter 2 Program 12

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/*     12. Write a program to implement calculator using switch case.    */

#include<stdio.h>

#include<conio.h>

void main()

{

int number1 , number2 , choice;

clrscr();

do

{

printf("\n\nEnter 1 number value : ");

scanf("%d" , &number1 );

printf("\nEnter 2 number value : ");

scanf("%d" , &number2 );

printf("\n\n1. Sum");

printf("\n2. Substraction");

printf("\n3. Multiply");

printf("\n4. Division");

printf("\n\n0. Exit");

printf("\n\nEnter your choice  :  ");

scanf("%d" , &choice );

switch( choice )

{

case 1:

printf("\n\nSum = %d " , number1+number2 );

break;

case 2:

printf("\n\nSubstraction = %d " , number1 - number2);

break;

case 3:

printf("\n\nMultiply = %d " , number1 * number2 );

break;

case 4:

printf("\n\nDivision = %d " , number1 / number2);

break;

case 0:

exit(0);

default:

printf("\n\nEnter a valid choice");

}

}while( choice != 0 );

getch();

}